From owner-svn-src-all@freebsd.org Tue Mar 12 21:58:45 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 97535153FE8E; Tue, 12 Mar 2019 21:58:45 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B7FF6881B4; Tue, 12 Mar 2019 21:58:44 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-lf1-f44.google.com with SMTP id f16so3220525lfk.12; Tue, 12 Mar 2019 14:58:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=eVjWvSMn77a8HlnFiBQIX8OI9g+FjFQRlIW9j/kC+6U=; b=ETmoFUckvGMg/UgXupo9YElwTL7J/tJSceOlRVbWmVNk7rbknqas7yGG+upDGXn/+K WMopGTxzCfMxW4DWsP2flOmzRCw8ZRVA1e4eeXamDUPHVrB+jY7j4EZ6uEK30s4O1m8o w+i1e5gfObQqulBUd4q+QI0FYcNQrt6ZHK9AmrUgdoxCfRqBVDBlT+XcXeWryrFDa4h4 erBn7kWsPj4Aw2ILLxhCvr/74Nc90P2QiUxi+yZyEYPwnksdUv8N9bl1X5uo913n3/UE oAF1j0bWh7LrrraFufT3XkJBXtIXvo5XFRzY+rDsmO+BJ5ykxN/0OYuUnwRXhY94yEVN dLjw== X-Gm-Message-State: APjAAAWPmYRigO1jwShoW+yqnr/GOgR3OKJBnB5BRRCNzVnlMpEMfakw YdIvAl2lcYe3ZSg9nsdu9wrdIJ2jdIoLrd/l3WLmLg== X-Google-Smtp-Source: APXvYqwxU5Snkin3/Y/0wQiaReWQ6CgArc1EcBkaA9W4WEkY2dJ5eivI4+pxolcaUvf2fYHLg/SLdh/0ANRgK4N1bwI= X-Received: by 2002:a19:ce8f:: with SMTP id e137mr23372839lfg.54.1552427922668; Tue, 12 Mar 2019 14:58:42 -0700 (PDT) MIME-Version: 1.0 References: <201705230929.v4N9T5g1028124@repo.freebsd.org> In-Reply-To: <201705230929.v4N9T5g1028124@repo.freebsd.org> From: Alan Somers Date: Tue, 12 Mar 2019 15:58:31 -0600 Message-ID: Subject: Re: svn commit: r318736 - in head: cddl/lib/libzfs contrib/compiler-rt/lib/sanitizer_common contrib/openbsm/libbsm include lib/libarchive lib/libc/gen lib/libc/include lib/libc/sys lib/libkvm lib/libmi... To: Konstantin Belousov Cc: src-committers , svn-src-all , svn-src-head Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: B7FF6881B4 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of asomers@gmail.com designates 209.85.167.44 as permitted sender) smtp.mailfrom=asomers@gmail.com X-Spamd-Result: default: False [-4.27 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.99)[-0.994,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.93)[-0.928,0]; RCVD_IN_DNSWL_NONE(0.00)[44.167.85.209.list.dnswl.org : 127.0.5.0]; IP_SCORE(-1.34)[ip: (-0.66), ipnet: 209.85.128.0/17(-3.88), asn: 15169(-2.08), country: US(-0.07)]; FORGED_SENDER(0.30)[asomers@freebsd.org,asomers@gmail.com]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[asomers@freebsd.org,asomers@gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Mar 2019 21:58:45 -0000 On Tue, May 23, 2017 at 3:29 AM Konstantin Belousov wrote: > > Author: kib > Date: Tue May 23 09:29:05 2017 > New Revision: 318736 > URL: https://svnweb.freebsd.org/changeset/base/318736 > > Log: > Commit the 64-bit inode project. > > Extend the ino_t, dev_t, nlink_t types to 64-bit ints. Modify > struct dirent layout to add d_off, increase the size of d_fileno > to 64-bits, increase the size of d_namlen to 16-bits, and change > the required alignment. Increase struct statfs f_mntfromname[] and > f_mntonname[] array length MNAMELEN to 1024. > > ABI breakage is mitigated by providing compatibility using versioned > symbols, ingenious use of the existing padding in structures, and > by employing other tricks. Unfortunately, not everything can be > fixed, especially outside the base system. For instance, third-party > APIs which pass struct stat around are broken in backward and > forward incompatible ways. > > Kinfo sysctl MIBs ABI is changed in backward-compatible way, but > there is no general mechanism to handle other sysctl MIBS which > return structures where the layout has changed. It was considered > that the breakage is either in the management interfaces, where we > usually allow ABI slip, or is not important. > > Struct xvnode changed layout, no compat shims are provided. > > For struct xtty, dev_t tty device member was reduced to uint32_t. > It was decided that keeping ABI compat in this case is more useful > than reporting 64-bit dev_t, for the sake of pstat. > > Update note: strictly follow the instructions in UPDATING. Build > and install the new kernel with COMPAT_FREEBSD11 option enabled, > then reboot, and only then install new world. > > Credits: The 64-bit inode project, also known as ino64, started life > many years ago as a project by Gleb Kurtsou (gleb). Kirk McKusick > (mckusick) then picked up and updated the patch, and acted as a > flag-waver. Feedback, suggestions, and discussions were carried > by Ed Maste (emaste), John Baldwin (jhb), Jilles Tjoelker (jilles), > and Rick Macklem (rmacklem). Kris Moore (kris) performed an initial > ports investigation followed by an exp-run by Antoine Brodin (antoine). > Essential and all-embracing testing was done by Peter Holm (pho). > The heavy lifting of coordinating all these efforts and bringing the > project to completion were done by Konstantin Belousov (kib). > > Sponsored by: The FreeBSD Foundation (emaste, kib) > Differential revision: https://reviews.freebsd.org/D10439 What's the purpose of the new dirent.d_off field? I can't find any code that uses it. I'm wondering if the fuse(4) module should set it in order to work properly over NFS, or something. -Alan